Latin: M. oblique internal abdominis
The inner oblique abdominal muscle (abdominal internal muscle) is located as a three-sided, about 1 cm thick abdominal muscle directly below the outer oblique abdominal muscle. He is the smallest of the three lateral abdominal muscles.
Approach: 9th-12th rib , linea alba
Innervation: Nn. intercostal VIII-XII
Inner oblique abdominal muscle
An overview of all pictures by Dr-Gumpert can be found at: medical pictures
The contraction occurs in the same way as in the oblique abdominal muscles, but only reversed.
The following exercises are therefore particularly suitable:
In abdominal crunch, the effect on the internal oblique abdominal muscle can be enhanced by turning the upper body sideways during contraction.
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If the upper body is tilted or turned to one side, at the same time the opposite side is stretched.
Detailed information can be found at:
In a one-sided contraction, the fuselage is tilted to one side and turned. He works with the outer oblique abdominal muscles of the opposite side together. In addition, the internal oblique abdominal muscle (abdominal internal muscle) fixes the trunk when lifting and carrying heavy loads.